# -*- coding: UTF-8 -*-
# print("hello world")
# print('hello world')
# print('中文')

# 控制语句

from pydoc import doc


a = 10

# if a > 18:
#     print("成年人")
# else:
#     print("小孩")

a = 1
while a < 20:
    print(a)
    if a == 15:
        continue
    a+=2

